<!--
 * @Author: hua
 * @Date: 2020-07-17 17:03:32
 * @description: 
 * @LastEditors: hua
 * @LastEditTime: 2020-07-23 10:38:24
--> 
<template>
  <el-breadcrumb class="app-breadcrumb" separator="/">
    <transition-group name="breadcrumb">
      <el-breadcrumb-item
        v-for="(item,index)  in levelList"
        :key="item.path"
        v-if="item.meta.title"
      >
        <span
          v-if="item.redirect==='noredirect'||index==levelList.length-1"
          class="no-redirect"
        >{{$t(item.meta.title)}}</span>
        <router-link v-else :to="item.redirect||item.path">{{$t(item.meta.title)}}</router-link>
      </el-breadcrumb-item>
    </transition-group>
  </el-breadcrumb>
</template>

<script>
export default {
  created() {
    this.getBreadcrumb();
  },
  data() {
    return {
      levelList: null,
    };
  },
  watch: {
    $route() {
      this.getBreadcrumb();
    },
  },
  methods: {
    getBreadcrumb() {
      let matched = this.$route.matched.filter((item) => item.name);
      const first = matched[0];
      if (first && first.name !== "dashboard") {
        matched = [
          {
            path: "/dashboard/index",
            meta: { title: "Dashboard" },
          },
        ].concat(matched);
      }
      this.levelList = matched;
    },
  },
};
</script>

<style rel="stylesheet/scss" lang="scss" scoped>
.app-breadcrumb.el-breadcrumb {
  display: inline-block;
  font-size: 14px;
  line-height: 50px;
  margin-left: 10px;
  .no-redirect {
    color: #97a8be;
    cursor: text;
  }
}
</style>
